Error 53 iPhone Dominican - The Apple software update to iOS 9, can kill your iPhone 6 and make it a worthless brick.
The lastest version of the iOS 9 permanently disables the device, when detects a hardware change made by a non-official Apple technician. Thousands of iPhone 6 users updated the operating system and the smartphone got useless and reported problems with the error 53.

How to fix the Error 53 ? Dominican Phones If the iPhone was repaired by a third party or an unauthorised repair provider, the screen, home button or other components are changed.
To fix the iPhone, the customer must contact Apple support and repair in the Official Apple Store.
The hardware changes could affect the touch ID sensor and cause an error when checking and validating the smartphone security and results in an unrecoverable error 53.
The fingerprint pairing is re-validated when the iPhone is serviced by an authorised Apple service provider or Apple retail store for any hardare changes that affect the touch ID sensor to remain secure.
The security software try to protect fingerprint data using a secure and uniquely paired to the touch ID sensor.
Without this unique pairing, some malicious touch ID sensor could be substituted in order to gain access to the secure information.